import cssutils

def extract_png_paths_from_css(css_file_path):
    stylesheet = cssutils.parseFile(css_file_path)
    png_paths = []
    for rule in stylesheet.cssRules:
        if rule.type == cssutils.css.CSSRule.STYLE_RULE:
            for property in rule.style:
                if property.value.endswith('.png'):
                    png_paths.append(property.value)
    return png_paths

css_file_path = 'style.css'
png_paths = extract_png_paths_from_css(css_file_path)
print(png_paths)
